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w = bohmanwin(L)
w = bohmanwin(L) returns an L-point Bohman window in column vector w. A Bohman window is the convolution of two half-duration cosine lobes. In the time domain, it is the product of a triangular window and a single cycle of a cosine with a term added to set the first derivative to zero at the boundary. Bohman windows fall off as 1/w4.
Compute a 64-point Bohman window and display the result using WVTool:
L=64; wvtool(bohmanwin(L))

The equation for computing the coefficients of a Bohman window is
![]()
where
and the window length is
.
[1] Harris, F. J. "On the Use of Windows for Harmonic Analysis with the Discrete Fourier Transform." Proceedings of the IEEE®. Vol. 66 (January 1978). p. 67.
barthannwin, bartlett, blackmanharris, nuttallwin, parzenwin, rectwin, triang, window, wintool, wvtool
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